[Predecessor] [DoNotUse] Add some predecessor modules and support them temporarily! (#32)

[Predecessor] [DoNotUse] Add some predecessor modules and support them temporarily!

Author: lilingxi01

Sources/DefinedElements/CoverSystem/Cover/DCover.swift

@@ -0,0 +1,94 @@
+//
+//  CoverView.swift
+//  CyberCurrency
+//
+//  Created by Lingxi Li on 12/17/20.
+//
+
+import Foundation
+import SwiftUI
+
+/// DefinedCover - 封面组件 @ DefinedElements
+///
+/// - TODO: Style
+@available(iOS 14.0, macOS 11.0, *)
+public struct DefinedCover : DefinedView {
+    ///
+    var content: AnyView
+    
+    ///
+    @ObservedObject var obs = CoverObserver()
+    
+    ///
+    public init(title: String, subtitle: String? = nil) {
+        var cont: some View {
+            DefinedText(title)
+                .preset(.title)
+        }
+        self.content = AnyView(cont)
+    }
+    
+    ///
+    public init<Content>(@ViewBuilder _ cont: @escaping () -> Content) where Content : View {
+        self.content = AnyView(cont())
+    }
+    
+    ///
+    public func touchBackground<TouchBackground>(_ content: TouchBackground) -> Self where TouchBackground : View {
+        self.obs.touchBackground = AnyView(content)
+        return self
+    }
+    
+    ///
+    public func touchBackground<TouchBackground>(@ViewBuilder content: @escaping () -> TouchBackground) -> Self where TouchBackground : View {
+        self.obs.touchBackground = AnyView(content())
+        return self
+    }
+    
+    ///
+    public func background<Background>(_ content: Background) -> Self where Background : View {
+        self.obs.background = AnyView(content)
+        return self
+    }
+    
+    ///
+    public func background<Background>(@ViewBuilder content: @escaping () -> Background) -> Self where Background : View {
+        self.obs.background = AnyView(content())
+        return self
+    }
+    
+    /// - Warning: 暂未投入使用！
+    public func foreground<Foreground>(_ content: Foreground) -> Self where Foreground : View {
+        self.obs.foreground = AnyView(content)
+        return self
+    }
+    
+    /// - Warning: 暂未投入使用！
+    public func foreground<Foreground>(@ViewBuilder content: @escaping () -> Foreground) -> Self where Foreground : View {
+        self.obs.foreground = AnyView(content())
+        return self
+    }
+    
+    ///
+    public func position(_ position: CoverPosition) -> Self {
+        self.obs.position = position
+        return self
+    }
+    
+    ///
+    public func showDivider(_ showDivider: Bool) -> Self {
+        self.obs.divider = showDivider
+        return self
+    }
+    
+    // TODO: 直接传入文字信息的构造器
+    
+    ///
+    public var body: some View {
+        ZStack(alignment: .center) {
+            content
+        }
+        .frame(maxWidth: .infinity, alignment: .center)
+        .frame(height: self.obs.height)
+    }
+}

Sources/DefinedElements/CoverSystem/Cover/Support/DCover.#Position.swift

@@ -0,0 +1,31 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 4/29/21.
+//
+
+import Foundation
+import SwiftUI
+
+///
+public enum CoverPosition {
+    case center
+    
+    case top
+    
+    case bottom
+}
+
+public extension CoverPosition {
+    func get() -> Alignment {
+        switch self {
+        case .center:
+            return .center
+        case .top:
+            return .top
+        case .bottom:
+            return .bottom
+        }
+    }
+}

Sources/DefinedElements/CoverSystem/Cover/Support/DCover.#Style.swift

@@ -0,0 +1,8 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 5/5/21.
+//
+
+import Foundation

Sources/DefinedElements/CoverSystem/Cover/Support/DCover.Observer.swift

@@ -0,0 +1,29 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 4/7/21.
+//
+
+import Foundation
+import SwiftUI
+
+class CoverObserver : ObservableObject {
+    ///
+    @Published var touchBackground: AnyView = AnyView(EmptyView())
+    
+    ///
+    @Published var background: AnyView = AnyView(DEColor.bg.light_3)
+    
+    ///
+    @Published var foreground: AnyView = AnyView(EmptyView())
+    
+    ///
+    @Published var height: CGFloat = 260
+    
+    ///
+    @Published var position: CoverPosition = .center
+    
+    ///
+    @Published var divider: Bool = false
+}

Sources/DefinedElements/CoverSystem/CoverHeader/DCHeader.Main.swift

@@ -0,0 +1,121 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 4/17/21.
+//
+
+import Foundation
+import SwiftUI
+
+/// DefinedCoverHeader - 封面顶栏 @ DefinedElements
+///
+/// - Important: `CoverHeader`组件是专为`ScrollView`开发的，非滚动页面的头部不应使用该组件
+///
+/// - TODO: 开发
+/// - TODO: 将Namespace尝试传入不同组件，在不同组件内增加对应init
+public struct DefinedCoverHeader {
+    
+    ///
+    @ObservedObject var obs: CoverHeaderObserver = CoverHeaderObserver()
+    
+    ///
+    @Namespace var coverHeaderSpace
+    
+    ///
+    var style: CoverHeaderStyle = .magazine
+    
+    ///
+    var icon: Image? = nil
+    
+    ///
+    var title: String
+    
+    ///
+    var subtitle: String? = nil
+    
+    ///
+    var backButtonType: _BackButtonConfiguration = .arrow
+    
+    ///
+    public init(title: String,
+                subtitle: String? = nil,
+                icon: Image? = nil,
+                back: _BackButtonConfiguration = .arrow,
+                style: CoverHeaderStyle = .magazine) {
+        self.title = title
+        self.subtitle = subtitle
+        self.icon = icon
+        self.backButtonType = back
+    }
+    
+    ///
+    func getCover() -> DefinedCover {
+        // TODO: 未来支持自定义背景与触摸背景
+        let cover = DefinedCover(buildCover)
+        cover.obs.position = getCoverPosition()
+        return cover
+    }
+    
+    ///
+    func getHeader() -> DefinedHeader {
+        let header = DefinedHeader(back: self.backButtonType, buildHeader)
+        self.obs.headerObs = header.obs
+        return header
+    }
+    
+    ///
+    @ViewBuilder func buildCover() -> some View {
+        // 杂志封面
+        // TODO: 动效
+        if self.style == .magazine {
+            DefinedContent(.overlay, alignment: .leading) {
+                DefinedContent(.vertical, alignment: .leading) {
+                    DefinedText(self.title)
+                        .preset(.title)
+                        .padding(.bottom, 2)
+                    
+                    // TODO: 问题在于此处调用obs并不会进行实时更新
+                    
+                    if self.subtitle != nil {
+                        DefinedText(self.subtitle!)
+                            .preset(.subtitle)
+                            .contentColor(DEColor.text.dark_4)
+                            .padding(.top, 12)
+                    }
+                }
+                .padding(.horizontal, 30)
+                .padding(.vertical, 33)
+                .definedSize(width: .full)
+            }
+            .definedSize(width: .full, height: .full, alignment: .bottom)
+        }
+        
+        //
+        if self.style == .center {
+            EmptyView()
+        }
+        
+        //
+        if self.style == .center_side {
+            EmptyView()
+        }
+    }
+    
+    ///
+    @ViewBuilder func buildHeader() -> some View {
+        DefinedText(self.title)
+            .preset(.header_title)
+            // .matchedGeometryEffect(id: "title", in: coverHeaderSpace)
+    }
+    
+    ///
+    func getCoverPosition() -> CoverPosition {
+        switch self.style {
+        case .magazine:
+            return .bottom
+        default:
+            return .center
+        }
+    }
+}

Sources/DefinedElements/CoverSystem/CoverHeader/Support/DCHeader.#Style.swift

@@ -0,0 +1,21 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 4/20/21.
+//
+
+import Foundation
+import SwiftUI
+
+///
+public enum CoverHeaderStyle {
+    ///
+    case center
+    
+    ///
+    case center_side
+    
+    ///
+    case magazine
+}

Sources/DefinedElements/CoverSystem/CoverHeader/Support/DCHeader.Observer.swift

@@ -0,0 +1,17 @@
+//
+//  File.swift
+//  
+//
+//  Created by Lingxi Li on 4/21/21.
+//
+
+import Foundation
+
+///
+class CoverHeaderObserver : ObservableObject {
+    ///
+    @Published var coverObs: CoverObserver? = nil
+    
+    ///
+    @Published var headerObs: HeaderObserver? = nil
+}

Sources/DefinedElements/Frameworks/View/Basics/SafeArea/DSafeArea.Configuration.swift

@@ -0,0 +1,16 @@
+import SwiftUI
+
+///
+public enum DefinedSafeAreaConfiguration {
+    ///
+    case none
+    
+    ///
+    case vertical
+    
+    ///
+    case top
+    
+    ///
+    case bottom
+}

Sources/DefinedElements/Frameworks/View/Basics/SafeArea/DSafeArea.Modifier.swift

@@ -0,0 +1,31 @@
+import SwiftUI
+
+/// 安全区域豁免 - 视图修改器 @ DefinedElements
+struct DefinedSafeAreaModifier: ViewModifier {
+    /// 豁免方向
+    var area: DefinedSafeAreaConfiguration
+    
+    /// 构造器 < 内部构造器 >
+    ///
+    /// - Parameters:
+    ///   - area: 豁免方向
+    init(area: DefinedSafeAreaConfiguration = .vertical) {
+        self.area = area
+    }
+    
+    ///
+    @ViewBuilder func body(content: Content) -> some View {
+        if (area == .top) {
+            content
+                .edgesIgnoringSafeArea(.top)
+        } else if (area == .bottom) {
+            content
+                .edgesIgnoringSafeArea(.bottom)
+        } else if (area == .vertical) {
+            content
+                .edgesIgnoringSafeArea(.vertical)
+        } else {
+            content
+        }
+    }
+}